SAIS, SAIs or Sais may refer to:
SAIS School of Advanced International Studies, a school under the Johns Hopkins University Sharjah American International School, in Sharjah, United Arab Emirates South African Institute of Stockbrokers Stamford American International School, located in Singapore Strange Adventures in Infinite Space, a 2002 computer game
SAIs Supreme audit institutions
Sais Sais (genus), a genus of butterflies in the family Nymphalidae Sais (company) (Società anonima italo-svizzera per la produzione degli olii vegetali), a former Swiss producer of vegetable oils and margarine Sais, Egypt, an ancient Egyptian city and capital during the 24th, 26th, and 28th dynasties. Sais Facula, former name of a crater chain on Ganymede, the largest moon of Jupiter. It is now called Enki Catena. Sais, the Welsh language word for an English person sais, misspelling of sai, a type of dagger-like weapon (sai in plural form is simply sai)